Marshalltown 1 1/2" X 3 1/2" X 16' High Strength ScreedThe MARSHALLTOWN Aluminum Alloy Screeds resist warping and rust. The lightweight material makes the Screed easy to carry when forming your slab. An H style design has a center brace running inside for the entire length of the screed that adds strength, and the end caps prevent concrete from getting inside the screed. These screeds come in a variety of sizes to best fit your preference. All options Made in the USA with Global Materials. Lightweight